The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2022
Filed:
Nov. 02, 2020
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Sung Lae Oh, Icheon-si, KR;
Sang Woo Park, Icheon-si, KR;
Dong Hyuk Chae, Icheon-si, KR;
Ki Soo Kim, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/24 (2006.01); G11C 16/08 (2006.01); H01L 27/11539 (2017.01); H01L 27/11556 (2017.01); H01L 27/11573 (2017.01); H01L 27/11582 (2017.01);
U.S. Cl.
CPC ...
G11C 16/24 (2013.01); G11C 16/08 (2013.01); H01L 27/11539 (2013.01); H01L 27/11556 (2013.01); H01L 27/11573 (2013.01); H01L 27/11582 (2013.01);
Abstract
A memory device includes a cell wafer including a memory cell array; a first logic wafer bonded to one surface of the cell wafer, and including a first logic circuit which controls the memory cell array; and a second logic wafer bonded to the other surface of the cell wafer which faces away from the one surface, and including a second logic circuit which controls the memory cell array.